101 (number)

← 100 101 102 →
Cardinalone hundred [and] one
Ordinal101st
(one hundred [and] first)
Factorizationprime
Prime26th
Divisors1, 101
Greek numeralΡΑ´
Roman numeralCI
Binary11001012
Ternary102023
Senary2456
Octal1458
Duodecimal8512
Hexadecimal6516

101 (one hundred [and] one) is the natural number following 100 and preceding 102.

It is variously pronounced "one hundred and one" / "a hundred and one", "one hundred one" / "a hundred one", and "one oh one". As an ordinal number, 101st (one hundred [and] first), rather than 101th, is the correct form.